What's in a word? Plenty, when it's a word such as "taxes," "spending," or "deficits" that pervades Washington political debate despite lacking coherent economic content. The United States is moving toward a possible catastrophic fiscal collapse. The country may not get there, but the risk is unmistakable and growing. The "fiscal language" of taxes, spending, and deficits has played a huge and underappreciated role in the decisions that have pushed...